Ecosystems

Animals

Sponges’ secret weapon

An aquatic animal provides a possible new kind of disease resistance.

Ecosystems

When fungi and algae marry

Lichens live in nearly every environment on Earth, but scientists are still discovering basic information about them.

Ecosystems

Underwater jungles

Cold-water-loving kelp forests may be surprisingly abundant in the tropics.

Environment

Shrimpy invaders

A shrimplike creature that has invaded the Great Lakes could spell big trouble for young fish.

Animals

Missing moose

By studying population patterns, scientists hope to figure out why moose in some areas are in trouble.

Environment

Saving wetlands

In Louisiana and elsewhere, wetlands are disappearing, threatening plant and animal life.

Environment

Alien invasions

Around the world, plants, animals, fungi, and other life forms are ending up in places where they don't belong.

Environment

Less mixing can affect lake’s ecosystem

Warming a large lake can cut microorganism populations and disturb its food chain.